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Vinogradovite

A valid IMA mineral species - grandfathered
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About VinogradoviteHide

03028560017271927594776.jpg
Aleksander P. Vinogradov
Formula:
Na4Ti4(Si2O6)2[(Si,Al)4O10]O4 · (H2O,Na,K)3
Previously given as (Na,Ca,K)4Ti4AlSi6O23(OH).2H2O.
Colour:
Colourless, white, pink, pink-brown
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
2.85 - 2.97
Crystal System:
Monoclinic
Name:
Named by E.I. Semenov, E.M. Bohnshtedt-Kupletskaya, V.A. Moleva, and N.N. Sludskaya in 1956 in honor of Aleksander (Alexander) Pavlovich Vinogradov (Александр Павлович Виноградов) (21 August 1895, Petretsovo, Yaroslavl Oblast, Russian Empire – 16 November 1975, Moscow, USSR), professor of geochemistry, Moscow. He was Director of the Vernadsky Institute of Geochemistry and Analytical Chemistry, USSR Academy of Sciences. Founder and head of the first national department of geochemistry (at Moscow State University). Vice-president of the USSR Academy of Sciences. Mons Vinogradov, a mountain on the near side of the moon, is also named after him, as is a large crater on Mars.
This page provides mineralogical data about Vinogradovite.


Unique IdentifiersHide

Mindat ID:
4186
Long-form identifier:
mindat:1:1:4186:3

IMA Classification of VinogradoviteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Na4Ti4+4(Si2O6)2[(Si,Al)4O10]O4·(H2O,Na,K)3
First published:
1956

Classification of VinogradoviteHide

9.DB.25

9 : SILICATES (Germanates)
D : Inosilicates
B : Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals
68.1.2.1

68 : INOSILICATES Structures with Chains of More Than One Width
1 : Structures with Chains of More Than One Width
16.14.2

16 : Silicates Containing Aluminum and other Metals
14 : Aluminosilicates of Ti, Zr, Sn and Pb

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
VgdIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of VinogradoviteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless, white, pink, pink-brown
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
Perfect
(010)
Fracture:
Irregular/Uneven
Density:
2.85 - 2.97 g/cm3 (Measured)    2.88 g/cm3 (Calculated)

Optical Data of VinogradoviteHide

Type:
Biaxial (-)
RI values:
nα = 1.691 - 1.745 nβ = 1.769 - 1.773 nγ = 1.773 - 1.818
2V:
Measured: 41° to 82°, Calculated: 24° to 80°
Max. Birefringence:
δ = 0.073 - 0.082
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.

Surface Relief:
Very High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).

This shows the grain boundary and Becke line effect under plane-polarised light, based on the contrast between this mineral's average refractive index and the mounting medium. It does not take into account mineral colouration.
In focus
Interference Figure:
This shows the idealized biaxial acute bisectrix (Bxa) interference figure - the conoscopic view for a grain cut perpendicular to the acute bisectrix, using this mineral's 2V. The two small white dots mark the melatopes - the points where the two optic axes emerge - and are shown only when they fall within the field of view. The coloured bands are isochromatics, and the dark bands are isogyres.

Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.
Dispersion:
r > v strong
Optical Extinction:
Y = b; X ∧ a = 7°.
Pleochroism:
Weak
Comments:
Sometimes weakly pleochroic from colorless on X to brownish on Z.
Comments:
Elongation positive; the plane of the optic axis is perpendicular to (010).

Chemistry of VinogradoviteHide

Mindat Formula:
Na4Ti4(Si2O6)2[(Si,Al)4O10]O4 · (H2O,Na,K)3

Previously given as (Na,Ca,K)4Ti4AlSi6O23(OH).2H2O.
Element Weights:
Element% weight
O47.435 %
Si22.971 %
Ti19.575 %
Na9.401 %
H0.618 %

Calculated from ideal end-member formula.
O
Si
Ti
Na
H
Common Impurities:
Fe,Nb,Mg,Ca,Ba

Crystallography of VinogradoviteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 24.50(1) Å, b = 8.662(2) Å, c = 5.211(20) Å
β = 100.13(3)°
Ratio:
a:b:c = 2.828 : 1 : 0.602
Unit Cell V:
1,088.63 ų (Calculated from Unit Cell)
Morphology:
Prismatic crystals showing faces (010), (110), (410), (101), (101).
Twinning:
Uncommonly on {010}.
Comment:
Cell from Kalsbeek & Rønsbo (1992). Range observed: a = 24.38-25.01, b = 8.66-8.72, c = 5.21-5.23 Å, beta = 99.50-104.43°.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0011019VinogradoviteKalsbeek N, Ronsbo J G (1992) Refinement of the vinogradovite structure, positioning of Be and excess Na Zeitschrift fur Kristallographie 200 237-2451992Ilimaussaq, Southern Greenland0295
0019786VinogradoviteRastsvetaeva R K, Andrianov V I (1984) Refined crystal structure of vinogradovite Soviet Physics Crystallography 29 403-4061984Kola peninsula, Russia0293
0019946VinogradoviteRastsvetaeva R K, Simonov V I, Belov N V (1968) Crystal structure of vinogradovite Na4Ti4[Si2O6]2[Si4O10]O4*nH2O Soviet Physics Doklady 12 1090-10921968Kolsk peninsula, Russia0293
0011018VinogradoviteKalsbeek N, Ronsbo J G (1992) Refinement of the vinogradovite structure, positioning of Be and excess Na Zeitschrift fur Kristallographie 200 237-2451992Ilimaussaq, Southern Greenland0110
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.21 Å(100)
3.07 Å(100)
1.614 Å(80)
2.72 Å(70)
1.558 Å(70)
1.494 Å(70)
1.434 Å(70)
2.48 Å(60)
2.56 Å(60)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
22 : Hydration and low-? subsurface aqueous alteration (see also #23)
Stage 4b: Highly evolved igneous rocks>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of VinogradoviteHide

General Appearance of Type Material:
Spherulites and in aggregates of fibrous crystals, less commonly in cavities as fine prismatic crystals.
Place of Conservation of Type Material:
Vernadsky Geological Museum, Moscow, 44801.
A.E. Fersman Mineralogical Museum, Moscow, Russia, 57962, vis4737, vis4739.
Geological Setting of Type Material:
In nepheline syenite pegmatites.
Associated Minerals at Type Locality:

Other Language Names for VinogradoviteHide

Simplified Chinese:白钛硅钠石
Traditional Chinese:白鈦矽鈉石

Common AssociatesHide

Associations Based on Photo Data:
15 photos of Vinogradovite associated with AegirineNaFe3+Si2O6
11 photos of Vinogradovite associated with LeucospheniteBaNa4Ti2B2Si10O30
10 photos of Vinogradovite associated with EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
9 photos of Vinogradovite associated with NatroliteNa2Al2Si3O10 · 2H2O
5 photos of Vinogradovite associated with CatapleiiteNa2Zr(Si3O9) · 2H2O
5 photos of Vinogradovite associated with LorenzeniteNa2Ti2(Si2O6)O3
3 photos of Vinogradovite associated with Monteregianite-(Y)(Na,K)6(Y,Ca)2Si16O38 · 10H2O
3 photos of Vinogradovite associated with AlbiteNa(AlSi3O8)
2 photos of Vinogradovite associated with NeptuniteKNa2Li(Fe2+)2Ti2[Si4O12]2
2 photos of Vinogradovite associated with Chabazite-Na(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O

Related Minerals - Strunz-mindat GroupingHide

9.DB.05PotassiccarpholiteK(Mn2+,Li)2Al4Si4O12(OH,F)8Orth. mmm(2/m2/m2/m) : Ccca
9.DB.05CarpholiteMn2+Al2(Si2O6)(OH)4Orth. mmm(2/m2/m2/m) : Ccca
9.DB.05VanadiocarpholiteMn2+V3+Al(Si2O6)(OH)4Orth. mmm(2/m2/m2/m) : Ccca
9.DB.05MagnesiocarpholiteMgAl2Si2O6(OH)4Orth. mmm(2/m2/m2/m) : Ccca
9.DB.05FerrocarpholiteFe2+Al2Si2O6(OH)4Orth. mmm(2/m2/m2/m) : Ccca
9.DB.05BalipholiteBaLiMg2Al3(Si2O6)2(OH)4Orth. mmm(2/m2/m2/m) : Ccca
9.DB.10LorenzeniteNa2Ti2(Si2O6)O3Orth. mmm(2/m2/m2/m) : Pbcn
9.DB.15PunkaruaiviteLiTi2(HSi4O12)(OH)2 · H2OMon. 2/m : B2/b
9.DB.15LintisiteLiNa3Ti2(Si2O6)2O2 · 2H2OMon. 2/m : B2/b
9.DB.17EliseeviteLiNa1.5Ti2(H1.5Si4O12)O2 · 2H2OMon. 2/m : B2/b
9.DB.20KukisvumiteNa6ZnTi4(Si8O24)O4 · 4H2OOrth. mmm(2/m2/m2/m) : Pccn
9.DB.20ManganokukisvumiteNa6MnTi4(Si8O24)O4 · 4H2OOrth. mmm(2/m2/m2/m) : Pccn
9.DB.25ParavinogradoviteNa1-2(Ti,Fe3+)4(Si2O6)2(AlSi3O10)(OH)4 · H2OTric. 1 : P1
9.DB.30NchwaningiteMn2+2(SiO3)(OH)2 · H2OOrth. mm2 : Pca21
9.DB.40ShattuckiteCu5(Si2O6)2(OH)2Orth. mmm(2/m2/m2/m)
9.DB.40'UM2005-31-SiO:CuH'Cu11(SiO4)(OH)18 · 9H2O (?)
9.DB.45Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]Trig. 3m : P3c1
9.DB.50CapranicaiteKCaNaAl4B4Si2O18Mon. 2/m : P21/m

Fluorescence of VinogradoviteHide

White to green (UV)

Other InformationHide

Thermal Behaviour:
Most of the water is given of at 200-500 degrees.
Notes:
Before the blowpipe fuses easily (about 800 C) to a bluish-gray opaque bead.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for VinogradoviteHide

References for VinogradoviteHide

Localities for VinogradoviteHide

Showing 39 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Brazil
 
  • Minas Gerais
Azzi et al. (2018)
Canada
 
  • British Columbia
    • Golden Mining Division
Canadian Museum of Nature collection
Piilonen et al. (2025)
  • Newfoundland and Labrador
    • Labrador
Curtis et al. (1977)
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Grice (1989) +1 other reference
Greenland
 
  • Kujalleq
Sørensen (2001) +1 other reference
      • Tunulliarfik Fjord
Otter (2016)
Morocco
 
  • Drâa-Tafilalet Region
    • Midelt Province
      • Midelt Cercle
        • Aït Oufella Caïdat
          • Amersid
Khadem Allah (1993)
Namibia
 
  • Khomas Region
    • Windhoek Rural
      • Aris
Blaß et al. (2016) +1 other reference
Russia
 
  • Murmansk Oblast
    • Eveslogchorr Mt
      • Astrophyllite Stream
Pekov et al. (2005)
Arzamastsev et al. (2008)
    • Koashva Mt
American Mineralogist +1 other reference
    • Kovdorsky District
Mikhailova et al. (2015)
[World of Stones 95:5-6
    • Kukisvumchorr Mt
[World of Stones 95:5-6 +2 other references
Yakovenchuk et al. (2024)
      • Marchenko Peak
Arzamastsev et al. (2008)
    • Lovozersky District
Yakovenchuk et al. (2010)
        • Umbozero mine
Pavel M. Kartashov (n.d.)
Pekov (2000)
Sorokhtina N.V. et al. (2004)
      • Engporr Mountain
Pavel M. Kartashov analytical data (2013)
[World of Stones 95:5-6 +2 other references
        • Second Eastern Stream
Pekov (2000)
Pekov (1998)
[World of Stones 95:5-6 +1 other reference
Pekov (1998)
      • Seidozero Lake
Pekov (2003)
Semenov E.I. (1972) +1 other reference
[AmMin 85:1562]
      • Suoluaiv Mountain
American Mineralogist +1 other reference
Arzamastseva et al. (1999) +1 other reference
Pekov (1998)
    • Yukspor Mountain
Pavel M. Kartashov (n.d.) +1 other reference
Pavel M. Kartashov (n.d.)
[World of Stones 12:49]
    • Aldan
      • Inagli Massif
geo.web.ru (2007)
Spain
 
  • Canary Islands
    • Santa Cruz de Tenerife Province
      • Tenerife
Dill et al. (2023)
USA
 
Milton (1977) +1 other reference
 
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